/*
 * Copyright 2018 NXP
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Author Jiafei Pan <jiafei.pan@nxp.com>
 */

#include <platform_def.h>
#include <arch.h>
#include <asm_macros.S>

	.globl	plat_secondary_cold_boot_setup
	.globl	plat_is_my_cpu_primary
	.globl	plat_reset_handler
	.globl  platform_mem_init

func platform_mem1_init
	ret
endfunc platform_mem1_init

func platform_mem_init
	ret
endfunc	platform_mem_init

func l2_mem_init
  /* Initialize the L2 RAM latency */
        mrs   x1, S3_1_c11_c0_2
        mov   x0, #0x1C7
        /* Clear L2 Tag RAM latency and L2 Data RAM latency */
        bic   x1, x1, x0
        /* Set L2 data ram latency bits [2:0] */
        orr   x1, x1, #0x2
        /* set L2 tag ram latency bits [8:6] */
        orr   x1,  x1, #0x80
        msr   S3_1_c11_c0_2, x1
        isb
	ret
endfunc	l2_mem_init

func apply_platform_errata
	/*TODO if needed*/
	ret
endfunc apply_platform_errata

func plat_reset_handler
	mov x29, x30
#if (defined(IMAGE_BL2) && BL2_AT_EL3)
	bl l2_mem_init
#endif
	bl  apply_platform_errata
	/* Apply ARM core specific erratas */
	/*TODO: Other platform specific settings */

#if defined(IMAGE_BL31)
	ldr x0, =POLICY_SMMU_PAGESZ_64K
	cbz x0, 1f
	/* Set the SMMU page size in the sACR register */
	bl _set_smmu_pagesz_64
#endif
1:
	/*
	 * May be cntfrq_el0 needs to be assigned
	 * the value COUNTER_FREQUENCY
	 */
	mov x30, x29
	ret
endfunc plat_reset_handler

	/* -----------------------------------------------------
	 * void plat_secondary_cold_boot_setup (void);
	 *
	 * This function performs any platform specific actions
	 * needed for a secondary cpu after a cold reset e.g
	 * mark the cpu's presence, mechanism to place it in a
	 * holding pen etc.
	 * TODO: Should we read the PSYS register to make sure
	 * that the request has gone through.
	 * -----------------------------------------------------
	 */
func plat_secondary_cold_boot_setup
	/* ls1046a does not do cold boot for secondary CPU */
cb_panic:
	b	cb_panic
endfunc plat_secondary_cold_boot_setup

	/* -----------------------------------------------------
	 * unsigned int plat_is_my_cpu_primary (void);
	 *
	 * Find out whether the current cpu is the primary
	 * cpu.
	 * -----------------------------------------------------
	 */
func plat_is_my_cpu_primary
	mrs	x0, mpidr_el1
	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
	cmp	x0, 0x0
	cset	w0, eq
	ret
endfunc plat_is_my_cpu_primary
